First-rate Patek Philippe Grand Complications Mens Quality 3970J Manual Wind Black Crocodile Leather watch comes with great quality and outstanding performance. This Mens watch is powered by an excellent Manual Wind. Black Crocodile leather bracelet around your wrist is very comfortable. Cream dial is easy to read. The 18k Yellow Gold case has a very classic Round shape. The size of the watch is 37mm. It also had good waterproof function.